Magic Tree House Fact Tracker Series

The Magic Tree House Fact Trackers series has an accompanying book for each of the Magic Tree House books, acting as a nonfictional research guide for kids by breaking down some complex historical and scientific subjects into more simple concepts. The bestselling books are filled with fun facts, photos, and more, along with young readers' favorite time-traveling tree house companions, Jack and Annie. It helps kids suss out fact from fiction in Mary Pope Osborne's magical world.